TYTRO® shotcrete system

Advanced. Efficient. Reliable.

Full system delivering lower installed cost, reduced cycle times and superior performance.

TYTRO® is a comprehensive admixture system to reduce shotcrete installed costs, minimise excavation downtime and enhance performance. The system consists of macro fibres and admixtures designed to faster achieve early strength, enhance bond to rock substrate and between layers, and deliver high-performance, high-quality shotcrete with minimum rebound and dust.

Shotcrete practitioners and producers stand to gain major savings on material and installation costs by incorporating TYTRO®. Users can optimise mix cost, minimise rebound and accelerate cycle times to boost output while achieving desired technical performance and meeting the highest safety standards.

Documents

TYTRO® Product Documents

Product Name Product Data Sheet
TYTRO® AE 220
Product Data Sheet
TYTRO® AE 270
Product Data Sheet
TYTRO® HC 270
Product Data Sheet
TYTRO® RC 400
Product Data Sheet
TYTRO® RC 430
Product Data Sheet
TYTRO® RM 470
Product Data Sheet
TYTRO® RM 471
Product Data Sheet
TYTRO® RM 475
Product Data Sheet
TYTRO® SA 530
Product Data Sheet
TYTRO® SA 535
Product Data Sheet
TYTRO® WR 110
Product Data Sheet
TYTRO® WR 112
Product Data Sheet
TYTRO® WR 171
Product Data Sheet
TYTRO® WR 172
Product Data Sheet
TYTRO® WR 175
Product Data Sheet
Product Listing
  • Product Name
  • Description
  • Key Benefits
  • Applications Type
TYTRO® AE 220
Description

TYTRO® AE 220 is an air-entraining admixture which generates a highly stable air-void system for increased protection against damage from freezing and thawing, severe weathering, or de-icer chemicals. TYTRO® AE 220 is a complex mixture of organic acid salts in an aqueous solution specifically formulated for use as an air-entraining admixture for shotcrete and is manufactured under rigid control which provides uniform, predictable performance. TYTRO® AE 220 is supplied ready-to-use and does not require pre-mixing with water.

Key Benefits
Application Type
TYTRO® AE 270
Description

TYTRO® AE 270 admixture is an aqueous solution of a complex mixture of organic acid salts. 

Key Benefits
  • Workability improved
  • Durability increased
Application Type
  • Shotcrete applications
TYTRO® HC 270
Description

TYTRO® HC 270 is a ready-to-use aqueous solution of chemical compounds specifically designed to stabilise the hydration of shotcrete

Key Benefits
  • Flexible delivery options
  • Complete use of wet and dry mixes
  • Time and cost savings
Application Type
  • Used to stabilise cement hydration in shotcrete system
TYTRO® RC 400
Description

TYTRO® RC 400 is a high performance, liquid rheology control admixture based on nanometric colloidal silica formulated to improve cohesion, adhesion and early strength development to fibrereinforced shotcrete

Key Benefits
  • Reduces or eliminates silica fume
  • Improves sprayability
  • Reduces rebound losses
Application Type
  • Suitable for all shotcrete applications where high early and final strength, low rebound, and large layer thickness in a single pass are required
TYTRO® RC 430
Description

TYTRO® RC 430 is a rheology-controlling admixture specifically formulated to improve sprayability and pumpability characteristics of shotcrete by increasing cohesion, provide superior bond to rock substrate, faster strength development, and minimum rebound and dust to tunnels and underground mining shotcrete applications.

Key Benefits
  • Reduces or eliminates silica fume
  • Improves sprayability
  • Reduces rebound losses
Application Type
  • Temporary and permanent rock support in tunnels
  • Rock support in mining
  • Slope stabilisation
TYTRO® RM 470
Description

TYTRO® RM 470 Slump Enhancer is a revolutionary advancement in time-activated polycarboxylatebased technology.

Key Benefits
  • Flexible degree of slump retention
  • Increases slump life
  • Better control of operational costs
Application Type
  • Specifically intended for use where extended workability with minimal time of setting extension is desired without compromising plastic or hardened concrete properties
TYTRO® RM 471
Description

TYTRO® RM 471 is a high performance, liquid rheology-modifying admixture based on a highly purified mineral using a patented process that creates pure, uniformly-sized, rod-shape particles, to improve cohesion, adhesion and early strength development to shotcrete

Key Benefits
  • Eliminates silica fume
  • Improves sprayability
  • Reduces rebound losses
Application Type
  • Temporary and permanent rock support in tunnels
  • Rock support in mining
  • Slope stabilisation
TYTRO® RM 475
Description

TYTRO® RM 475 is a rheology-modifying and mix-enhancing admixture formulated for shotcrete applications

Key Benefits
  • Reduces friction within a shotcrete mix
  • Neutral setting time and high early strength
  • Reduces or eliminates the amount of silica fume required
Application Type
  • Used with all types of Portland Cements and it is effective in concretes containing pulverised fly ash and/or ground granulated blast furnace slag
  • Especially suitable for large scale tunneling and mining applications
TYTRO® SA 530
Description

TYTRO® SA 530 is a high-performance, alkali-free set accelerator specifically formulated to provide high early strength at low dosage rates and improve productivity by shortening the time of setting without compromising long-term strength and durability.

Key Benefits
Application Type
  • Temporary and permanent rock support in tunnels
  • Underground rock support in mining
  • Slope stabilization
TYTRO® SA 535
Description

TYTRO® SA 535 is a high-performance, alkali-free set accelerator specifically formulated to provide high early strength at low dosage rates, and improve productivity by shortening the time of setting without compromising long-term strength and durability

Key Benefits
  • Temporary and permanent rock support in tunnels
  • Underground rock support in mining
  • Slope stabilisation
Application Type
  • Efficient dosage rate
  • Reduced excavation downtime
  • Greater improved strength
TYTRO® WR 110
Description

TYTRO® WR 110 is a polycarboxylate-based high-range water-reducing admixture specifically formulated to provide prolonged workability, excellent plasticity, and extended slump life in underground sprayed concrete applications.

Key Benefits
Application Type
  • Temporary and permanent rock support in tunnels
  • Underground rock support in mining
  • Slope stabilization
TYTRO® WR 112
Description

TYTRO WR 112 is a polycarboxylate-based high-range water-reducing admixture specifically formulated to provide prolonged workability, excellent plasticity and extended slump life in underground shotcrete applications.

Key Benefits
Application Type
  • Temporary and permanent rock support in tunnels
  • Underground rock support in mining
  • Slope stabilization
TYTRO® WR 171
Description

TYTRO® WR 171 is a high range water reducer commonly referred to as a superplasticiser. It is an aqueous solution of a modified naphthalene sulphonate.

Key Benefits
  • Produces very high slump shotcrete at low water cement ratios
  • Eliminates the need for on-site addition
  • An extremely versatile superplasticiser
Application Type
  • Suitable for shotcrete with a wide range of strengths eliminating the need for other superplasticisers
  • Allows shotcrete to be produced over a wide range of strengths, at low water-cement ratios with high placement slumps
TYTRO® WR 172
Description

TYTRO® WR 172 is the latest technology in the development of high range water-reducing superplasticising admixtures

Key Benefits
  • Produces very high slump shotcrete at low water cement ratios
  • Eliminates the need for on-site addition
  • Superior slump retention without retardation
Application Type
  • Specifically for shotcrete with a wide range of strengths eliminating the need for other superplasticisers for specific applications
TYTRO® WR 175
Description

TYTRO® WR 175 is the latest technology in the development of high range water-reducing superplasticising admixtures

Key Benefits
  • Produces very high slump shotcrete at low water cement ratios
  • Eliminates the need for on site addition.
  • Superior slump retention without retardation
Application Type
  • Allows shotcrete to be produced over a wide range of strengths, at low water-cement ratios with high placement slumps
Overview

A global team of field technical specialists providing the highest level of performance and support

From the smallest to the largest, the simplest to the most complex underground projects, every project has its own individual challenges. Our field underground shotcrete specialists work closely with customers to help them achieve safer and more efficient shotcrete operations by deploying market-leading technologies, advanced resources (ranging from rapid diagnostic tools to on-site monitoring systems) and unmatched mix optimisation capabilities with expert site support and training.

Efficient ground support operations

TYTRO® offers speciality shotcrete admixtures that are formulated for shotcrete mixes to achieve superior flow, enhanced pumpability and sprayability and prolonged slump life (up to 72 hours) to accommodate logistical and operational needs of every project.

Reduced cycle times

The latest generation of TYTRO® high-performance alkali free accelerators minimise re-entry times by shortening setting time and providing very high early strength.

Thicker passes with less rebound

Featuring the latest in nanotechnology, TYTRO® RC Pozzolanic-based rheology control agent brings rebound rates to single digits (6-8%) and allows placement of 2X larger layer thickness in one single pass by providing superior bond to rock substrate and enhanced cohesion.

Optimal mix design

Our world-class laboratory resources and field technical specialists provide customised mix designs to achieve performance requirements and ensure minimum cost.